19486345200 has 720 divisors, whose sum is σ = 79303257600. Its totient is φ = 3998269440.

The previous prime is 19486345199. The next prime is 19486345213. The reversal of 19486345200 is 254368491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 55834626 + ... + 55834974.

Almost surely, 2^19486345200 is an apocalyptic number.

19486345200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19486345200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39651628800).

19486345200 is an abundant number, since it is smaller than the sum of its proper divisors (59816912400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19486345200 is a wasteful number, since it uses less digits than its factorization.

19486345200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 19486345200 in words is "nineteen billion, four hundred eighty-six million, three hundred forty-five thousand, two hundred".